3638038980 has 48 divisors (see below), whose sum is σ = 10537773120. Its totient is φ = 936690048.

The previous prime is 3638038931. The next prime is 3638039021. The reversal of 3638038980 is 898308363.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1043674 + ... + 1047153.

It is an arithmetic number, because the mean of its divisors is an integer number (219536940).

Almost surely, 2^3638038980 is an apocalyptic number.

3638038980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3638038980 is an abundant number, since it is smaller than the sum of its proper divisors (6899734140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3638038980 is a wasteful number, since it uses less digits than its factorization.

3638038980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090868 (or 2090866 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 3638038980 is about 60316.1585315245. The cubic root of 3638038980 is about 1537.9980423664.

The spelling of 3638038980 in words is "three billion, six hundred thirty-eight million, thirty-eight thousand, nine hundred eighty".